Introductory Algebra for College Students (7th Edition)

Published by Pearson
ISBN 10: 0-13417-805-X
ISBN 13: 978-0-13417-805-9

Chapter 1 - Section 1.2 - Fractions in Algebra - Exercise Set: 15

Answer

composite, 2*2*5

Work Step by Step

Begin by selecting any two numbers, excluding 1 and 20, whose product is 20. Here is one possibility: 20 = 4*5 Because the factor 4 is not prime, 20 = 5*4 This is our first factorization. 20 = 2*2*5 Factor 4 . Notice that 2 and 5 are both prime. The prime factorization of 20 is 2*2*5
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